Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
10008excellentexcellent11excellent
090011excellentexcellent21excellent
080014goodexcellent21excellent
070014goodexcellent21excellent
060012excellentexcellent11excellent
05008excellentexcellent11excellent
04007excellentexcellent11excellent
03007excellentexcellent11excellent
02008excellentexcellent11excellent
01007excellentexcellent11excellent
00007excellentexcellent11excellent
23008excellentexcellent11excellent
220010excellentexcellent11excellent
210010excellentexcellent11excellent
20007excellentexcellent11excellent
19005excellentexcellent11excellent
18007excellentexcellent11excellent
17008excellentexcellent11excellent
160010excellentexcellent11excellent
150012excellentexcellent11excellent
14006excellentexcellent11excellent
13005excellentexcellent11excellent
12008excellentexcellent11excellent
11007excellentexcellent11excellent